Pattern for a chair



FIG. 1 is a front view of a design for a pattern for a chair;

FIG. 2 is a top view of a design for a pattern for a chair;

FIG. 3 is a bottom view of a design for a pattern for a chair;

FIG. 4 is a perspective view of a design for a pattern for a chair; and,

FIG. 5 is an enlarged view from the perspective view a rattan design for a pattern for a chair. 

The ornamental design for a pattern for a chair, as shown and described. 